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Subsequent Events (Details) - Subsequent Event [Member] | Aug. 01, 2016 USD ($)
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Subsequent Event [Line Items] |
ESPP maximum contribution percentage | 10.00%
ESPP maximum contribution amount by employee | $ 25,000
ESPP purchase price as a % of stock price | 85.00%

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- Definition ESPP maximum contribution amount by employee + References No definition available. + Details
Name: | pmtc_ESPPmaximumcontributionamountbyemployee
Namespace Prefix: | pmtc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition ESPP maximum contribution percentage + References No definition available. + Details
Name: | pmtc_ESPPmaximumcontributionpercentage
Namespace Prefix: | pmtc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition ESPP purchase price as a % of stock price + References No definition available. + Details
Name: | pmtc_ESPPpurchasepriceasaofstockprice
Namespace Prefix: | pmtc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |